How AZPC Handles Price Outliers

Auction House data can contain extreme observations that are technically real listings but poor descriptions of the broader market. AZPC uses multiple checks so one unusual point is less likely to dominate charts and trade guidance.

What can create an outlier?

A one-unit undercut, a temporarily empty market, an unusually expensive relist, or a brief gap between auctions can all create a snapshot far away from its neighbors.

Neighboring-snapshot checks

In the Price Checker chart, AZPC can compare an extreme point with the observations immediately around it. A very large deviation with close neighboring prices is treated as an isolated outlier rather than normal movement.

Price-band evidence

Suggested trading ranges also look for support around the modeled buy and sell bands. If a large apparent spread is supported by too few observations—or recent observations show a severe collapse—the guidance can be marked weak or disqualified.

Why AZPC does not simply delete every unusual price

Real markets can move sharply. The goal is not to make every chart smooth; it is to reduce the influence of isolated points while preserving repeated market changes that have supporting evidence.

How to read price history · Suggested Buy & Sell prices · Open Price Checker